640706220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 384

約数和(自身を含む): 2619187200

約数和(自身を除く): 1978480980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 27, 28, 30, 33, 35, 36, 38, 42, 44, 45, 54, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 108, 110, 114, 126, 132, 133, 135, 140, 154, 165, 171, 180, 189, 190, 198, 209, 210, 220, 228, 231, 252, 266, 270, 285, 297, 308, 315, 330, 342, 378, 380, 385, 396, 399, 418, 420, 462, 495, 513, 532, 540, 570, 594, 627, 630, 660, 665, 684, 693, 756, 770, 798, 811, 836, 855, 924, 945, 990, 1026, 1045, 1140, 1155, 1188, 1197, 1254, 1260, 1330, 1386, 1463, 1485, 1540, 1596, 1622, 1710, 1881, 1890, 1980, 1995, 2052, 2079, 2090, 2310, 2394, 2433, 2508, 2565, 2660, 2772, 2926, 2970, 3135, 3244, 3420, 3465, 3591, 3762, 3780, 3990, 4055, 4158, 4180, 4389, 4620, 4788, 4866, 5130, 5643, 5677, 5852, 5940, 5985, 6270, 6930, 7182, 7299, 7315, 7524, 7980, 8110, 8316, 8778, 8921, 9405, 9732, 10260, 10395, 11286, 11354, 11970, 12165, 12540, 13167, 13860, 14364, 14598, 14630, 15409, 16220, 17031, 17556, 17842, 17955, 18810, 20790, 21897, 21945, 22572, 22708, 23940, 24330, 26334, 26763, 28215, 28385, 29196, 29260, 30818, 34062, 35684, 35910, 36495, 37620, 39501, 41580, 43794, 43890, 44605, 46227, 48660, 51093, 52668, 53526, 56430, 56770, 61636, 62447, 65835, 68124, 71820, 72990, 77045, 79002, 80289, 85155, 87588, 87780, 89210, 92454, 102186, 107052, 107863, 109485, 112860, 113540, 124894, 131670, 133815, 138681, 145980, 153279, 154090, 158004, 160578, 169499, 170310, 178420, 184908, 187341, 197505, 204372, 215726, 218970, 231135, 240867, 249788, 255465, 263340, 267630, 277362, 306558, 308180, 312235, 321156, 323589, 338998, 340620, 374682, 395010, 401445, 416043, 431452, 437940, 462270, 481734, 508497, 510930, 535260, 539315, 554724, 562023, 613116, 624470, 647178, 677996, 693405, 749364, 766395, 790020, 802890, 832086, 847495, 924540, 936705, 963468, 970767, 1016994, 1021860, 1078630, 1124046, 1186493, 1204335, 1248940, 1294356, 1386810, 1525491, 1532790, 1605780, 1617945, 1664172, 1686069, 1694990, 1873410, 1941534, 2033988, 2080215, 2157260, 2248092, 2372986, 2408670, 2542485, 2773620, 2810115, 2912301, 3050982, 3065580, 3235890, 3372138, 3389980, 3559479, 3746820, 3883068, 4160430, 4576473, 4745972, 4817340, 4853835, 5084970, 5620230, 5824602, 5932465, 6101964, 6471780, 6744276, 7118958, 7627455, 8320860, 8430345, 9152946, 9707670, 10169940, 10678437, 11240460, 11649204, 11864930, 14237916, 14561505, 15254910, 16860690, 17797395, 18305892, 19415340, 21356874, 22882365, 23729860, 29123010, 30509820, 32035311, 33721380, 35594790, 42713748, 45764730, 53392185, 58246020, 64070622, 71189580, 91529460, 106784370, 128141244, 160176555, 213568740, 320353110, 640706220]

約数ペア:

[(1, 640706220), (2, 320353110), (3, 213568740), (4, 160176555), (5, 128141244), (6, 106784370), (7, 91529460), (9, 71189580), (10, 64070622), (11, 58246020), (12, 53392185), (14, 45764730), (15, 42713748), (18, 35594790), (19, 33721380), (20, 32035311), (21, 30509820), (22, 29123010), (27, 23729860), (28, 22882365), (30, 21356874), (33, 19415340), (35, 18305892), (36, 17797395), (38, 16860690), (42, 15254910), (44, 14561505), (45, 14237916), (54, 11864930), (55, 11649204), (57, 11240460), (60, 10678437), (63, 10169940), (66, 9707670), (70, 9152946), (76, 8430345), (77, 8320860), (84, 7627455), (90, 7118958), (95, 6744276), (99, 6471780), (105, 6101964), (108, 5932465), (110, 5824602), (114, 5620230), (126, 5084970), (132, 4853835), (133, 4817340), (135, 4745972), (140, 4576473), (154, 4160430), (165, 3883068), (171, 3746820), (180, 3559479), (189, 3389980), (190, 3372138), (198, 3235890), (209, 3065580), (210, 3050982), (220, 2912301), (228, 2810115), (231, 2773620), (252, 2542485), (266, 2408670), (270, 2372986), (285, 2248092), (297, 2157260), (308, 2080215), (315, 2033988), (330, 1941534), (342, 1873410), (378, 1694990), (380, 1686069), (385, 1664172), (396, 1617945), (399, 1605780), (418, 1532790), (420, 1525491), (462, 1386810), (495, 1294356), (513, 1248940), (532, 1204335), (540, 1186493), (570, 1124046), (594, 1078630), (627, 1021860), (630, 1016994), (660, 970767), (665, 963468), (684, 936705), (693, 924540), (756, 847495), (770, 832086), (798, 802890), (811, 790020), (836, 766395), (855, 749364), (924, 693405), (945, 677996), (990, 647178), (1026, 624470), (1045, 613116), (1140, 562023), (1155, 554724), (1188, 539315), (1197, 535260), (1254, 510930), (1260, 508497), (1330, 481734), (1386, 462270), (1463, 437940), (1485, 431452), (1540, 416043), (1596, 401445), (1622, 395010), (1710, 374682), (1881, 340620), (1890, 338998), (1980, 323589), (1995, 321156), (2052, 312235), (2079, 308180), (2090, 306558), (2310, 277362), (2394, 267630), (2433, 263340), (2508, 255465), (2565, 249788), (2660, 240867), (2772, 231135), (2926, 218970), (2970, 215726), (3135, 204372), (3244, 197505), (3420, 187341), (3465, 184908), (3591, 178420), (3762, 170310), (3780, 169499), (3990, 160578), (4055, 158004), (4158, 154090), (4180, 153279), (4389, 145980), (4620, 138681), (4788, 133815), (4866, 131670), (5130, 124894), (5643, 113540), (5677, 112860), (5852, 109485), (5940, 107863), (5985, 107052), (6270, 102186), (6930, 92454), (7182, 89210), (7299, 87780), (7315, 87588), (7524, 85155), (7980, 80289), (8110, 79002), (8316, 77045), (8778, 72990), (8921, 71820), (9405, 68124), (9732, 65835), (10260, 62447), (10395, 61636), (11286, 56770), (11354, 56430), (11970, 53526), (12165, 52668), (12540, 51093), (13167, 48660), (13860, 46227), (14364, 44605), (14598, 43890), (14630, 43794), (15409, 41580), (16220, 39501), (17031, 37620), (17556, 36495), (17842, 35910), (17955, 35684), (18810, 34062), (20790, 30818), (21897, 29260), (21945, 29196), (22572, 28385), (22708, 28215), (23940, 26763), (24330, 26334)]